Advanced Structures
Level C1 · Advanced Structures
Advanced structures reorder a sentence for emphasis or a more formal, literary register — they don't add new information, just shift the weight onto a particular part of the sentence. Native speakers use inversion and cleft sentences to sound more emphatic or formal, not because the plain version is somehow wrong.
When a negative or limiting adverbial opens the sentence, the subject and auxiliary invert, just like in a question:
- Never/rarely/seldom + auxiliary + subject: I have never seen such a mess → Never have I seen such a mess.
- Not only ... but also, with inversion after not only: He not only came late, but he also forgot the tickets → Not only did he come late, but he also forgot the tickets.
- No sooner ... than, hardly ... when: We had no sooner arrived than it started raining → No sooner had we arrived than it started raining.
- Only after/when/if + clause, with inversion in the main clause that follows: We only realized the mistake after the show ended → Only after the show ended did we realize the mistake.
Cleft sentences split one idea across two clauses to spotlight a single part of it:
- It-cleft: It + be + the emphasized part + that/who + the rest — John broke the window becomes It was John who broke the window (emphasizes who did it, not what happened).
- What-cleft (pseudo-cleft): What + clause + be + the emphasized part — I need a holiday becomes What I need is a holiday (emphasizes what's needed).
- Emphatic do/does/did before the base verb in an affirmative sentence, stressed in speech: I like your dress → I do like your dress (adds emphasis, not a question or negative).
The most common mistake is keeping normal word order after a fronted negative adverbial: Never I have seen such a mess is wrong — the adverbial forces inversion: Never have I seen such a mess. A second frequent error: using which instead of who for a person in an it-cleft — It was John which broke the window is wrong; a person needs who (or that): It was John who broke the window.
Look for a negative or limiting word opening the sentence (never, rarely, seldom, hardly, no sooner, not only, little) immediately followed by an auxiliary — a sign of inversion — and It was/is ... that/who or What ... is/was ... framing a single word or phrase — a sign of a cleft sentence.